Ccsa
[计] 公用控制交换网
🗣️ 情景例句
All right. That's it for today.
行了。今天就做这些。
I know I'll win.
我一定会赢的。
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。